[R] backwards/forwards compatibility for compressed metadata

[asfimport]

With ARROW-10386 we compress large metadata, we should add backwards/forwards compatibility tests for this.

Reporter: Jonathan Keane / @jonkeane
Assignee: Jonathan Keane / @jonkeane

Related issues:

• [R] List column class attributes not preserved in roundtrip (duplicates)

_{Note: This issue was originally created as ARROW-11241. Please see the migration documentation for further details.}

[asfimport]

Jonathan Keane / @jonkeane:
Handled in ARROW-10386